Home / 1,201,541.18-1,658,127.40-657,679.80

Finding the Fourth Proportional to 1,201,541.18, 1,658,127.40 and 657,679.80

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Solution

The fourth proportional to 1,201,541.18, 1,658,127.40 and 657,679.80 is: 907,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,541.18 : 1,658,127.40 = 657,679.80 : x
  2. Step 2: Convert to fraction form
    1,201,541.18/1,658,127.40 = 657,679.80/x
  3. Step 3: Cross multiply
    1,201,541.18x = 1,658,127.40 × 657,679.80
  4. Step 4: Simplify right side
    1,201,541.18x = 1,090,516,896,806.52
  5. Step 5: Solve for x
    x = 1,090,516,896,806.52/1,201,541.18
  6. Step 6: Final answer
    x = 907,598.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.